F04B 2027/1854
External parameters
Official title: {External parameters}
F04B2027/1854 (External parameters) appears on 259 US grants and 174 published applications in this corpus.
Search patents in F04B- Granted patents
- 259
- Published applications
- 174
- Assignees
- 48
- Inventors
- 290
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 7 | 0 |
| 1989 | 14 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 19 | 0 |
| 2001 | 16 | 10 |
| 2002 | 29 | 13 |
| 2003 | 15 | 21 |
| 2004 | 14 | 15 |
| 2005 | 8 | 19 |
| 2006 | 13 | 16 |
| 2007 | 5 | 13 |
| 2008 | 5 | 6 |
| 2009 | 4 | 9 |
| 2010 | 7 | 4 |
| 2011 | 3 | 3 |
| 2012 | 4 | 3 |
| 2013 | 3 | 1 |
| 2014 | 3 | 0 |
| 2015 | 2 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 4 |
| 2018 | 0 | 2 |
| 2019 | 2 | 5 |
| 2020 | 3 | 11 |
| 2021 | 5 | 4 |
| 2022 | 7 | 6 |
| 2023 | 5 | 4 |
| 2024 | 7 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Variable displacement swash plate type compressor and control method16 Sep 2025US 12,416,302 B2Hanon Systems
- Capacity control valve1 Apr 2025US 12,264,748 B2Eagle Industry Co., Ltd.
- Capacity control valve31 Dec 2024US 12,180,950 B2Eagle Industry Co., Ltd.
- Capacity control valve12 Nov 2024US 12,140,243 B2Eagle Industry Co., Ltd.
- Capacity control valve27 Aug 2024US 12,072,035 B2Eagle Industry Co., Ltd.
- Variable displacement swash plate type compressor control method and variable displacement swash plate type compressor controlled thereby29 Feb 2024US 2024/0068460 A1Hanon Systems
- Capacity control valve9 Nov 2023US 2023/0358331 A1Eagle Industry Co., Ltd.
- Capacity control valve21 Sep 2023US 2023/0296187 A1Eagle Industry Co., Ltd.
- Capacity control valve22 Jun 2023US 2023/0194007 A1Eagle Industry Co., Ltd.
- Capacity control valve and capacity control valve control method30 Mar 2023US 2023/0097864 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Control valve unit with independently operable valve mechanisms for variable displacement compressor77US 6,010,312 AKabushiki Kaisha Toyoda Jidoshokki Seiksakusho · 2000
- Displacement control apparatus for variable displacement compressor, displacement control method and compressor module67US 6,484,520 B2Kabushiki Kaisha Toyoda Jidoshokki Seisakusho · 2002
- Variable displacement compressor59US 4,073,603 ABorg-Warner Corporation · 1978
- Variable capacity wobble plate compressor capable of controlling angularity of wobble plate with high responsiveness59US 4,526,516 ADiesel Kiki Co., Ltd. · 1985
- Variable displacement compressor control valve arrangement59US 4,606,705 AGeneral Motors Corporation · 1986